/Engine/Source/Runtime/Slate/Public/Framework/Text/ISlateRun.h
void ArrangeChildren ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [ILayoutBlock](API\Runtime\Slate\Framework\Text\ILayoutBlock) > & Block, const [FGeometry](API\Runtime\SlateCore\Layout\FGeometry) & AllottedGeometry, [FArrangedChildren](API\Runtime\SlateCore\Layout\FArrangedChildren) & ArrangedChildren ) const